lsb_release -a

Distributor ID:	Ubuntu
Description:	Ubuntu 12.04.2 LTS
Release:	12.04
Codename:	precise
=======================================================
/var/log/upstart/network-interface-wlan0.log

mkdir[ctrl_interface]: No such file or directory
wpa_supplicant: /sbin/wpa_supplicant daemon failed to start
run-parts: /etc/network/if-pre-up.d/wpasupplicant exited with return code 1
=======================================================
/etc/network/interfaces

auto lo
iface lo inet loopback

iface eth0 inet dhcp

auto wlan0
iface wlan0 inet dhcp
	wpa-ssid apname
	wpa-psk dfasdfsdafasf
=======================================================
mount

/dev/mapper/gamma-root on / type ext4 (rw,noatime,errors=remount-ro)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
none on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
udev on /dev type devtmpfs (rw,mode=0755)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
none on /run/shm type tmpfs (rw,nosuid,nodev)
/dev/mapper/gamma-tmp on /tmp type reiserfs (rw,nosuid,nodev,noatime)
/dev/mapper/gamma-var on /var type reiserfs (rw,nosuid,nodev,noatime)
/dev/mapper/gamma-home on /home type ext4 (rw,nosuid,nodev,noatime)
/dev/mapper/gamma-varlog on /var/log type reiserfs (rw,noexec,nosuid,nodev,noatime)
none on /tmp/guest-ePzioS type tmpfs (rw,mode=700)
=======================================================
dpkg -l | grep -E 'ifupdown|wpasupplicant'

ii  ifupdown                             0.7~beta2ubuntu8                        high level tools to configure network interfaces
ii  wpasupplicant                        0.7.3-6ubuntu2.1                        client support for WPA and WPA2 (IEEE 802.11i)
=======================================================
lspci -vs '01:00.0'

01:00.0 Network controller: Intel Corporation Centrino Wireless-N 130 (rev 34)
	Subsystem: Intel Corporation Centrino Wireless-N 130 BGN
	Flags: bus master, fast devsel, latency 0, IRQ 42
	Memory at c0500000 (64-bit, non-prefetchable) [size=8K]
	Capabilities: [c8] Power Management version 3
	Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
	Capabilities: [e0] Express Endpoint, MSI 00
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [140] Device Serial Number b8-03-05-ff-ff-d3-4c-b7
	Kernel driver in use: iwlwifi
	Kernel modules: iwlwifi
=======================================================
Laptop model:
Samsung NP300E7A